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Certain Balance Sheet Components - Inventories, Property and Equipment, Accrued Liabilities (Detail) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | ---
Inventories: |  |
Raw materials | $ 10,731 | $ 14,099
Work-in-process | 4,347 | 4,250
Finished goods | 49,192 | 52,300
Total inventories, net | 64,270 | 70,649
Property and equipment: |  |
Furniture and fixtures | 7,856 | 6,706
Machinery and equipment | 108,262 | 97,916
Leasehold improvements | 7,612 | 7,079
Property, Plant and Equipment Gross, Total | 123,730 | 111,701
Less: accumulated depreciation and amortization | (85,608) | (71,232)
Property and equipment, net | 38,122 | 40,469
Accrued liabilities: |  |
Accrued compensation | 10,890 | 10,915
Accrued incentive compensation | 7,403 | 7,917
Accrued warranty | 4,292 | 5,558
Other | 19,830 | 22,506
Accrued liabilities, Total | $ 42,415 | $ 46,896

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- Definition The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 14 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 5 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 5 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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